CN203604116U - Device for monitoring fan tower cylinder state in real time - Google Patents
Device for monitoring fan tower cylinder state in real time Download PDFInfo
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- CN203604116U CN203604116U CN201320607276.7U CN201320607276U CN203604116U CN 203604116 U CN203604116 U CN 203604116U CN 201320607276 U CN201320607276 U CN 201320607276U CN 203604116 U CN203604116 U CN 203604116U
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- fan tower
- tower barrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a device for monitoring a fan tower cylinder state in real time. A laser distance measuring technology is used, laser emitting heads are arranged at the top of the axis of a fan tower cylinder, a concave spherical surface laser receiving device is arranged at the bottom of the axis of the fan tower cylinder, laser receiving heads which are evenly distributed on a concave spherical surface correspond to angles by which the tower cylinder deviates along an X axis and a Y axis, some signal processing technology modules are arranged in the concave spherical surface receiving device, and by computing laser signals sent by the laser emitting heads and received by the laser receiving heads and converting speed, the angular speed and the accelerated speed of the tower cylinder which deviates along the X axis and the Y axis and the torsional angle around a Z axis (in the axis direction of the tower cylinder) are obtained. A wind speed and six-dimensional force sensor is further included, and sensor signals are transmitted into a wind field main control system through a data transmission system. The device monitors the stability (angle and torsion) of the wind power generation fan tower cylinder in real time, so that under the complex condition that wind direction changes quickly, the state of the fan tower cylinder is accurately reflected, and response is carried out timely.
Description
Technical field
The utility model relates to wind power generating set field, particularly a kind of device of Real-Time Monitoring blower fan tower barrel state.
Background technique
At present, along with social development, world energy consumption amount continues to increase, and the energy crisis situation of the various countries model utility that heals is aobvious.But due to renewable, the characteristic such as wide, pollution-free that distributes of wind energy, make wind energy power become the important development direction of Renewable Energy Development in the world, and wind power generating set is to light-duty, efficient, high reliability and maximization future development.But, in large medium size wind generator, often adopt higher tower cylinder to support draught fan impeller and cabin, to obtain more wind energy.Wherein tower cylinder is as the important load-bearing component of blower fan unit, its work under bad environment, bear for a long time (the tower cylinder deadweight of wind load and gravity even load, the gravity of generator set) effect, also bear wind wheel and rotate the factors such as the periodic excitation load producing and will directly affect service behaviour and the reliability of wind energy conversion system.
A kind of blower fan tower barrel inclination angle state monitoring apparatus (201220258304.4) adopts three angle transducers to carry out Real-Time Monitoring blower fan tower barrel inclination angle state, make maintenance man immediately understand the inclination angle state of blower fan tower barrel, and then adopt remedial measures in time, avoid the further expansion of fault.
The method of existing Real-Time Monitoring blower fan tower barrel running state is normal adopts the angle transducer of three directions to record angle that blower fan tower barrel departs from three directions to process, analyze to assess the stability of tower cylinder.There is following deficiency:
(1) the fast-changing complex condition of wind direction, the in real time operation conditions of accurate response blower fan tower barrel.
(2) can not obtain in real time changing load main on blower fan sleeve (wind load and wind wheel rotate the periodic excitation load producing).
Model utility content
The purpose of this utility model is to overcome the defect that prior art exists, design and a kind ofly can carry out real-time monitoring device to the steadiness of wind-driven generator blower fan tower barrel (inclination angle and torsion), to reflect more accurately the running state of blower fan tower barrel at the fast-changing complex condition of wind direction, and adjust in time the direction of draught fan impeller and by the long-range alarm charge center that sends to.
A kind of device of Real-Time Monitoring blower fan tower barrel state comprises: blade of wind-driven generator, blower fan tower barrel, base and one group or two groups or more corresponding and be arranged at the launcher that is placed in blower fan tower barrel top on the parallel lines of blower fan tower barrel axis or blower fan tower barrel axis and be placed in blower fan tower barrel bottom concave spherical surface reception unit composition;
Described in technique scheme, reception unit is concave spherical surface reception unit or plane reception unit, and the radius of curvature of the concave spherical surface of described concave spherical surface reception unit is the distance of launcher to reception unit.
Uniform a series of laser pick-off head on the sphere of concave spherical surface reception unit, definition tower cylinder axial direction is Z axis, the laser of launching by the laser beam emitting device at tower cylinder top, directive concave spherical surface laser receiver, and received by laser pick-off head corresponding on concave spherical surface, uniform laser pick-off head on concave spherical surface, all corresponding tower cylinder is along X, the angle that Y-axis departs from, in concave spherical surface laser receiver, comprise some signal processing technology modules, receive the transformation rate of the laser singal of laser beam emitting device transmission by calculating a series of laser pick-off head, show that tower cylinder is along X, the angular velocity that Y-axis departs from and acceleration.
In addition, this device can also segmentation settles to adapt to the monitoring running state of different heights blower fan tower barrel, specific as follows, a laser beam emitting device is settled at tower cylinder top, and a concave spherical surface laser receiver is settled in tower cylinder intermediate portion, and a laser beam emitting device is also settled in centre, it is for to bottom emission laser, a concave spherical surface laser receiver is laid in tower cylinder bottom, by two-stage or plural serial stage, realizes the monitoring running state to blower fan tower barrel like this.
Technique scheme also has the angular motion monitoring device of deflection angle, angular velocity and acceleration for monitoring blower fan tower barrel, for the air velocity transducer of Real-Time Monitoring blower fan tower barrel wind speed size, for the pressure of three directions in Real-Time Monitoring blower fan tower barrel bottom and the six-dimension force sensor of moment of torsion and for sending the blower fan master control system of control signal control impeller and the motion of cabin pose direction; Described angular motion monitoring device and air velocity transducer are installed in the top of blower fan tower barrel; Described six-dimension force sensor is arranged on the bottom of blower fan tower barrel; The output terminal of the input termination angular motion monitoring device of described blower fan master control system, the output terminal of air velocity transducer, the output terminal of six-dimension force sensor, the output termination maintenance prevention center of blower fan master control system.
Described in technique scheme, launcher is laser beam emitting device or microwave launcher or ultrasonic transmitter; Described reception unit is laser receiver or microwave receiving device or ultrasonic reception unit.
By this blower fan tower barrel monitoring device, by the angle in Real-time Collection blower fan tower barrel, angular velocity, angular acceleration, and around the rate of change of torsional angle and the torsional angle of Z axis, send in outside fan controller by communication module, in conjunction with the pressure transducer of tower cylinder bottom, the air velocity transducer on blower fan tower barrel top is transferred in blower fan master control system, blower fan master control system inside arranges some threshold values, when these signals that record exceed threshold value of warning but lower than alarm threshold value, by sending, control signal is used for controlling impeller to blower fan master control system and move along suitable pose direction in cabin.Once these signals that record have exceeded set alarm threshold value, blower fan master control system will be sent the indication of reporting to the police to maintenance warning center, so that maintenance man understands the inclination angle state of blower fan tower barrel immediately, and then adopts remedial measures in time, avoid the further expansion of fault.
A method for Real-Time Monitoring blower fan tower barrel state, concrete steps are as follows:
A, in blower fan master control system inside, some early warning, warning reference threshold are set;
The central shaft of b, definition blower fan tower barrel is Z axis, the top lasers launcher Emission Lasers in blower fan tower barrel axle center, the bottom laser receiver in blower fan tower barrel axle center receives laser singal, record current angle signal, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal by angular motion monitoring device, air velocity transducer and six-dimension force sensor, and the angle signal recording, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal are transferred in blower fan master control system;
The reference threshold of setting in c, numerical value to the angle signal obtaining in step b, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal and step a is done difference processing; When blower fan tower barrel is during without transverse air load, laser receiver receives the central position that the position of laser singal is reception unit; If while having load, its position, optical signal disalignment, the corresponding signal location (X, Y) that receives;
D, change and can calculate the inclination angle, angular velocity, angular acceleration of blower fan tower barrel and the rate of change around torsional angle and the torsional angle of blower fan tower barrel axis by receiving signal location and time;
E, send in outside fan controller, be transferred in blower fan master control system in conjunction with the pressure transducer of tower cylinder bottom, the air velocity transducer on blower fan tower barrel top by communication module;
F, carry out binary conversion treatment: when the numerical value of the signal calculating exceedes threshold value of warning but during lower than alarm threshold value, blower fan master control system is moved along the locality of required adjustment sending control signal control impeller and cabin; When the numerical value of the signal calculating is greater than alarm threshold value, blower fan master control system will send to maintenance warning center the indication of reporting to the police by communication module.
Adopt after technique scheme, the utlity model has following positive effect:
(1) steadiness (inclination angle and torsion) of the utility model to wind-driven generator tower carries out Real-Time Monitoring, to reflect more accurately fan condition at the fast-changing complex condition of wind direction, and adjust the direction of draught fan impeller and by the long-range alarm charge center that sends to.
(2) except two groups of cascades, can also the cascades of many groups, one can avoid blocking of stair, elevator in tower bucket; Two can monitoring tower bucket joint state, and so, organize cascade can more accurate monitoring tower tubbiness state more.
(3) once these signals that record have exceeded set early warning or alarm threshold value, blower fan master control system sends by adjustment impeller direction or to maintenance warning center the indication of reporting to the police, so that maintenance man understands the inclination angle state of blower fan tower barrel immediately, and then adopt remedial measures in time, avoid the further expansion of fault.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of the device of monitoring blower fan tower barrel state of the present utility model;
Fig. 2 is the structural representation of concave spherical surface type laser receiver of the present utility model;
Fig. 3 is principle schematic of the present utility model.
Attached number in the figure is: blade of wind-driven generator 1, launcher 2, blower fan tower barrel 3, reception unit 4, base 5, angular motion monitoring device 6, air velocity transducer 7, six-dimension force sensor 8, blower fan master control system 9.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the device of a kind of Real-Time Monitoring blower fan tower barrel state of the present utility model is described more fully.In accompanying drawing, provide preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing these embodiments' object is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in specification of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Technological scheme embodiment 1
The device of a kind of Real-Time Monitoring blower fan tower barrel state that model utility proposes, its embodiment: design and a kind ofly can carry out real-time monitoring device to the steadiness of the blower fan tower barrel of wind-driven generator 3 (inclination angle and torsion), to reflect more accurately the running state of blower fan tower barrel 3 at the fast-changing complex condition of wind direction, and adjust in time the direction of draught fan impeller and by the long-range alarm charge center that sends to.This system is passed through the launcher 2 of blower fan tower barrel 3 top center to blower fan tower barrel 3 bottom emission laser, wherein the reception unit 4 of blower fan tower barrel 3 bottom centre is concave spherical surfaces, and its concave spherical surface is evenly equipped with a series of laser pick-off head, the laser coming for receiving top-emission, the central axis of definition blower fan tower barrel 3 is Z axis, blower fan tower barrel 3 is not in the situation that there is no transverse load, the laser that top-emission device 2 is launched is the concave spherical surface center of top of the reception unit 4 of the concave spherical surface of directive bottom just in time, reception unit 4 internal signals through concave spherical surface calculate, it is representing that blower fan tower barrel 3 deviation angles are 0,
When blower fan tower barrel 3 is in the situation that receiving transverse air load, the laser that top-emission device 2 is launched, by each position on concave spherical surface reception unit 4 concave spherical surfaces of directive bottom, the Receiver of bottom concave spherical surface will receive the laser singal of injecting in real time, through internal signal processing system, analyze in time angle that blower fan tower barrel 3 departs from and torsional angle around Z axis, and by calculating the transformation rate of the laser singal that an a series of laser pick-off receiving and transmitting unit 2 sends, draw angular velocity and acceleration that tower cylinder departs from along X, Y-axis.
Technological scheme embodiment 2
In addition, this device can also segmentation settles to adapt to blower fan tower barrel 3 inside to be had and blocks or detailed each attachment portion and the overall monitoring running state of monitoring of needs, specific as follows, blower fan tower barrel 3 center of top are settled a launcher 2, a concave spherical surface reception unit 4 is settled in blower fan tower barrel 3 intermediate portions, and a launcher 2 is also settled in centre, it is for to bottom emission laser, the reception unit 4 of a concave spherical surface is laid in blower fan tower barrel 3 bottoms, like this by two-stage or plural serial stage, can avoid tower bucket inside blocks, sectional monitoring tower bucket position, realize the accurate monitoring to blower fan tower barrel running state.
Technological scheme embodiment 3
A method for Real-Time Monitoring blower fan tower barrel state, concrete steps are as follows:
A, in blower fan master control system 9 inside, some reference thresholds are set;
The central shaft of b, definition blower fan tower barrel 3 is Z axis, the top lasers launcher Emission Lasers in blower fan tower barrel 3 axle center, the bottom laser receiver in blower fan tower barrel 3 axle center receives laser singal, record current angle signal, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal by angular motion monitoring device 6, air velocity transducer 7 and six-dimension force sensor 8, and the angle signal recording, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal are transferred in blower fan master control system 9;
The reference threshold of setting in c, numerical value to the angle signal obtaining in step b, angular velocity signal, angular acceleration signal, wind velocity signal and six-dimensional force signal and step a is done difference processing; When blower fan tower barrel 3 is during without transverse air load, the position that laser receiver receives laser singal is blower fan tower barrel 3 bottom shaft core positions; If while having load, its position, optical signal disalignment, the corresponding signal location (X, Y) that receives;
D, change and can calculate the inclination angle, angular velocity, angular acceleration of blower fan tower barrel 3 and around the torsional angle of blower fan tower barrel 3 axis and the rate of change of torsional angle by receiving signal location and time;
E, send in outside fan controller, be transferred in blower fan master control system 9 in conjunction with the pressure transducer of tower cylinder bottom, the air velocity transducer 7 on blower fan tower barrel top by communication module;
F, carry out binary conversion treatment: when the numerical value of the signal calculating exceedes threshold value of warning but during lower than alarm threshold value, blower fan master control system 9 is moved along the locality of required adjustment sending control signal control impeller and cabin; When the numerical value of the signal calculating is greater than alarm threshold value, blower fan master control system 9 will send to maintenance warning center the indication of reporting to the police by communication module.
By these blower fan tower barrel 3 monitoring devices, by the angle in Real-time Collection blower fan tower barrel 3, angular velocity, angular acceleration, and around the rate of change of torsional angle and the torsional angle of Z axis, send in outside fan controller by communication module, in conjunction with the pressure transducer of tower cylinder bottom, the air velocity transducer 7 on blower fan tower barrel 3 tops is transferred in blower fan master control system 9, blower fan master control system 9 inside arrange some threshold values, when these signals that record exceed threshold value of warning but lower than alarm threshold value, by sending, control signal is used for controlling impeller to blower fan master control system 9 and move along suitable pose direction in cabin.Once these signals that record have exceeded set alarm threshold value, blower fan master control system 9 will be sent the indication of reporting to the police to maintenance warning center, so that maintenance man understands the inclination angle state of blower fan tower barrel immediately, and then adopts remedial measures in time, avoid the further expansion of fault.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a device for Real-Time Monitoring blower fan tower barrel state, has blade of wind-driven generator, blower fan tower barrel and base; Described blade of wind-driven generator is arranged on the top of blower fan tower barrel; Described blower fan tower barrel is fixedly installed on base; It is characterized in that: also there is one group or two groups or more corresponding and be arranged at launcher and the reception unit on the parallel lines of blower fan tower barrel axis or blower fan tower barrel axis; Described reception unit is provided with some laser pick-off heads.
2. the device of Real-Time Monitoring blower fan tower barrel state according to claim 1, it is characterized in that: described reception unit is concave spherical surface reception unit or plane reception unit, the radius of curvature of the concave spherical surface of described concave spherical surface reception unit is the distance of launcher to reception unit.
3. the device of Real-Time Monitoring blower fan tower barrel state according to claim 2, it is characterized in that: described reception unit is concave spherical surface reception unit, corresponding launcher and the reception unit arranging is one group, launcher is placed in the top of blower fan tower barrel, and reception unit is placed in blower fan tower barrel bottom.
4. the device of Real-Time Monitoring blower fan tower barrel state according to claim 2, it is characterized in that: described reception unit is concave spherical surface reception unit, corresponding launcher and the reception unit arranging is two groups, two launchers are placed in respectively top and the blower fan tower barrel neutral position of blower fan tower barrel, two reception units are placed in respectively blower fan tower barrel bottom and blower fan tower barrel neutral position, the launcher at top that is placed in blower fan tower barrel is corresponding with the reception unit that is placed in blower fan tower barrel neutral position, the launcher that is placed in blower fan tower barrel neutral position is corresponding with the reception unit of bottom that is placed in blower fan tower barrel.
5. according to the device of the Real-Time Monitoring blower fan tower barrel state described in claim 3 or 4, it is characterized in that: the angular motion monitoring device also with deflection angle, angular velocity and acceleration for monitoring blower fan tower barrel, for the air velocity transducer of Real-Time Monitoring blower fan tower barrel wind speed size, for the pressure of three directions in Real-Time Monitoring blower fan tower barrel bottom and the six-dimension force sensor of moment of torsion and for sending the blower fan master control system of control signal control impeller and the motion of cabin pose direction; Described angular motion monitoring device and air velocity transducer are installed in the top of blower fan tower barrel; Described six-dimension force sensor is arranged on the bottom of blower fan tower barrel; The output terminal of the input termination angular motion monitoring device of described blower fan master control system, the output terminal of air velocity transducer, the output terminal of six-dimension force sensor, the output termination maintenance prevention center of blower fan master control system.
6. the device of Real-Time Monitoring blower fan tower barrel state according to claim 5, is characterized in that: described launcher is laser beam emitting device or microwave launcher or ultrasonic transmitter; Described reception unit is laser receiver or microwave receiving device or ultrasonic reception unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607276.7U CN203604116U (en) | 2013-09-29 | 2013-09-29 | Device for monitoring fan tower cylinder state in real time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607276.7U CN203604116U (en) | 2013-09-29 | 2013-09-29 | Device for monitoring fan tower cylinder state in real time |
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| CN203604116U true CN203604116U (en) | 2014-05-21 |
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| CN201320607276.7U Expired - Fee Related CN203604116U (en) | 2013-09-29 | 2013-09-29 | Device for monitoring fan tower cylinder state in real time |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514686A (en) * | 2013-09-29 | 2015-04-15 | 常州铠甲智能科技有限公司 | Device and method for timely monitoring running state of fan tower drum |
| CN104596575A (en) * | 2014-12-25 | 2015-05-06 | 新疆新能钢结构有限责任公司 | Fan tower drum safe operation monitoring device and application method thereof |
| CN106438220A (en) * | 2016-12-01 | 2017-02-22 | 三重型能源装备有限公司 | System and method for monitoring dangerous torsion changes of draught fan tower drum |
| CN109863299A (en) * | 2016-10-07 | 2019-06-07 | 西门子歌美飒可再生能源公司 | Determining wind turbine tower tilt angle |
| CN110107462A (en) * | 2019-06-06 | 2019-08-09 | 三一重能有限公司 | A kind of tower monitoring system, method and wind power generating set |
| CN110514169A (en) * | 2019-08-29 | 2019-11-29 | 三一重能有限公司 | Inspection method, device, storage medium and the electronic equipment of fan blade established angle |
-
2013
- 2013-09-29 CN CN201320607276.7U patent/CN203604116U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514686A (en) * | 2013-09-29 | 2015-04-15 | 常州铠甲智能科技有限公司 | Device and method for timely monitoring running state of fan tower drum |
| CN104596575A (en) * | 2014-12-25 | 2015-05-06 | 新疆新能钢结构有限责任公司 | Fan tower drum safe operation monitoring device and application method thereof |
| CN104596575B (en) * | 2014-12-25 | 2017-08-11 | 新疆新能钢结构有限责任公司 | Blower fan tower barrel safe operation monitoring device and its application method |
| CN109863299A (en) * | 2016-10-07 | 2019-06-07 | 西门子歌美飒可再生能源公司 | Determining wind turbine tower tilt angle |
| CN109863299B (en) * | 2016-10-07 | 2021-07-09 | 西门子歌美飒可再生能源公司 | Determining wind turbine tower tilt angle |
| US11181099B2 (en) | 2016-10-07 | 2021-11-23 | Siemens Gamesa Renewable Energy A/S | Determining a wind turbine tower inclination angle |
| CN106438220A (en) * | 2016-12-01 | 2017-02-22 | 三重型能源装备有限公司 | System and method for monitoring dangerous torsion changes of draught fan tower drum |
| CN110107462A (en) * | 2019-06-06 | 2019-08-09 | 三一重能有限公司 | A kind of tower monitoring system, method and wind power generating set |
| CN110514169A (en) * | 2019-08-29 | 2019-11-29 | 三一重能有限公司 | Inspection method, device, storage medium and the electronic equipment of fan blade established angle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20200929 |